package com.lovo.interceptor;

import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //得到登录用户
        Object obj=request.getSession().getAttribute("loginUser");
        if (obj==null){
            response.getWriter().print("noland");
            return false;
        }
        return true;
    }
}
